EP4657856A3 - Syntax design method and apparatus for performing coding by using syntax - Google Patents

Syntax design method and apparatus for performing coding by using syntax

Info

Publication number
EP4657856A3
EP4657856A3 EP25209699.5A EP25209699A EP4657856A3 EP 4657856 A3 EP4657856 A3 EP 4657856A3 EP 25209699 A EP25209699 A EP 25209699A EP 4657856 A3 EP4657856 A3 EP 4657856A3
Authority
EP
European Patent Office
Prior art keywords
current block
flag
block
syntax
basis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP25209699.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4657856A2 (en
Inventor
Hyeongmoon JANG
Junghak NAM
Jaehyun Lim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4657856A2 publication Critical patent/EP4657856A2/en
Publication of EP4657856A3 publication Critical patent/EP4657856A3/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP25209699.5A 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax Pending EP4657856A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862742456P 2018-10-08 2018-10-08
PCT/KR2019/013226 WO2020076066A1 (ko) 2018-10-08 2019-10-08 신택스 디자인 방법 및 신택스를 이용하여 코딩을 수행하는 장치
EP19870657.4A EP3849190B1 (en) 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP19870657.4A Division EP3849190B1 (en) 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax
EP19870657.4A Division-Into EP3849190B1 (en) 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax

Publications (2)

Publication Number Publication Date
EP4657856A2 EP4657856A2 (en) 2025-12-03
EP4657856A3 true EP4657856A3 (en) 2026-02-18

Family

ID=70163663

Family Applications (2)

Application Number Title Priority Date Filing Date
EP25209699.5A Pending EP4657856A3 (en) 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax
EP19870657.4A Active EP3849190B1 (en) 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19870657.4A Active EP3849190B1 (en) 2018-10-08 2019-10-08 Syntax design method and apparatus for performing coding by using syntax

Country Status (13)

Country Link
US (5) US11206430B2 (https=)
EP (2) EP4657856A3 (https=)
JP (5) JP7230189B2 (https=)
KR (3) KR102637604B1 (https=)
CN (5) CN112956201B (https=)
BR (4) BR122022002096B1 (https=)
ES (1) ES3057716T3 (https=)
FI (1) FI3849190T3 (https=)
HR (1) HRP20251627T1 (https=)
MX (5) MX2021004008A (https=)
PL (1) PL3849190T3 (https=)
SI (1) SI3849190T1 (https=)
WO (1) WO2020076066A1 (https=)

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GB2578151B (en) * 2018-10-18 2021-06-09 Canon Kk Video coding and decoding
WO2020233660A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Syntax-based motion candidate derivation in sub-block merge mode
KR102662603B1 (ko) 2019-06-06 2024-04-30 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩을 위한 움직임 후보 리스트 구성
CN113950838B (zh) * 2019-06-06 2026-03-17 北京字节跳动网络技术有限公司 基于子块的帧内块复制
WO2020259426A1 (en) 2019-06-22 2020-12-30 Beijing Bytedance Network Technology Co., Ltd. Motion candidate list construction for intra block copy mode
EP3997869A4 (en) 2019-08-10 2022-10-26 Beijing Bytedance Network Technology Co., Ltd. Subpicture dependent signaling in video bitstreams
CN114631321B (zh) 2019-10-18 2024-04-12 北京字节跳动网络技术有限公司 子图片与环路滤波之间的相互影响
CN115280774B (zh) 2019-12-02 2025-08-19 抖音视界有限公司 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质
KR20220157950A (ko) 2020-03-23 2022-11-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트
US12335530B2 (en) * 2020-04-21 2025-06-17 Dolby Laboratories Licensing Corporation Semantics for constrained processing and conformance testing in video coding

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HUE072362T2 (hu) * 2010-11-04 2025-11-28 Ge Video Compression Llc Blokkegyesítési és kihagyási módot támogató képkódolás
KR102257335B1 (ko) 2010-11-25 2021-05-27 엘지전자 주식회사 영상 정보의 시그널링 방법 및 이를 이용한 영상 정보의 복호화 방법
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Also Published As

Publication number Publication date
WO2020076066A1 (ko) 2020-04-16
JP2023055997A (ja) 2023-04-18
KR20240027844A (ko) 2024-03-04
EP3849190A1 (en) 2021-07-14
MX2021004008A (es) 2021-06-23
JP7436717B2 (ja) 2024-02-22
BR122022002075B1 (pt) 2022-11-01
BR122022002075A2 (https=) 2021-07-27
JP2022502969A (ja) 2022-01-11
EP3849190A4 (en) 2021-11-03
FI3849190T3 (fi) 2026-01-09
US20220070498A1 (en) 2022-03-03
BR122022002096B1 (pt) 2022-11-01
JP2025108631A (ja) 2025-07-23
BR122022002096A2 (https=) 2021-07-27
JP2025108632A (ja) 2025-07-23
EP4657856A2 (en) 2025-12-03
MX2024009880A (es) 2024-08-22
BR112021006580A8 (pt) 2022-08-30
US20240080486A1 (en) 2024-03-07
CN118175300A (zh) 2024-06-11
BR122022002102A2 (https=) 2021-07-27
KR102637604B1 (ko) 2024-02-16
CN112956201A (zh) 2021-06-11
MX2024009879A (es) 2024-08-22
PL3849190T3 (pl) 2026-03-09
SI3849190T1 (sl) 2026-02-27
US12160616B2 (en) 2024-12-03
BR122022002075A8 (pt) 2022-08-30
BR122022002096A8 (pt) 2022-08-30
JP7670883B2 (ja) 2025-04-30
JP2024050869A (ja) 2024-04-10
US11575942B2 (en) 2023-02-07
KR20250130444A (ko) 2025-09-01
JP7230189B2 (ja) 2023-02-28
HRP20251627T1 (hr) 2026-02-13
US20210219001A1 (en) 2021-07-15
CN112956201B (zh) 2024-03-29
BR112021006580B1 (pt) 2022-11-16
EP3849190B1 (en) 2025-12-03
US20250056051A1 (en) 2025-02-13
KR20210036413A (ko) 2021-04-02
US20230131137A1 (en) 2023-04-27
JP7853486B2 (ja) 2026-04-28
ES3057716T3 (en) 2026-03-04
US11206430B2 (en) 2021-12-21
US12598329B2 (en) 2026-04-07
KR102851430B1 (ko) 2025-08-26
BR122022002102A8 (pt) 2022-08-30
CN118175303A (zh) 2024-06-11
MX2024009884A (es) 2024-08-22
BR122022002102B1 (pt) 2022-11-01
BR112021006580A2 (pt) 2021-07-27
US11849151B2 (en) 2023-12-19
CN118175301A (zh) 2024-06-11
MX2024009883A (es) 2024-08-22
CN118175302A (zh) 2024-06-11

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